Global Big Day 2024. On saturday, may 11, over 60,000 birders from 273 different countries and territories worked together to find 7,394 species of birds, or about 68% of the 10,825 species known to exist. On may 13, 2023, people from 198 countries submitted bird lists!

Like global big day, october big day is. On saturday, may 11, the 10 intrepid birders on the cornell lab’s team sapsucker will spend 24 hours birding nonstop in the great lakes region for big day 2024.